0.250

0.900

0.600

0.780

0.600

0.225

2.320

0.225

Thermal Block

Cavity FillHardcore

All steelwork to beencased in two layers of 12.5mm

plasterboard to providehalf hour fire resistance.

Existing Foundation

DPM 1200gDPCGL DPM 500g

Proposed Side & Rear Extension at 4 Ty-Newydd,

Whitchurch, Cardiff. CF14 1NN

Drawn by Date

M Ferreira 02/2011

Checked by Date

B McCarthy 02/2011

1:50 on A3

Drawing Name

Drawing Scale

Drawing Number: Status Revision

BR/07 of 9

Job Title

Proposed Section A - A

BMac Design & Developments07766 317970 / 02920 310595

3 Bishops Road, Whitchurch, Cardiff. CF14 1LT

The Gas Safety (Installation and Use) Regulations require that;The Gas Safety (Installation and Use) Regulations require that;The Gas Safety (Installation and Use) Regulations require that;The Gas Safety (Installation and Use) Regulations require that;(a) gas fittings, appliances and gas storage vessels must only be installed by a personwith the required competence and(b) any person having control to any extent of gas work must ensure that the personcarrying out that work has the required competence and(c) any gas installation businesses, whether an employer or self-employed, must be amember of a class of persons approved by the HSE; for the time being this means theymust be registered with Gas SAFE, Gas Safe Register visit www.GasSafeRegister.co.ukor call 0800 408 5500The following information will be required:• the Gas SAFE licence number• the start and the expiry date of the licence• the licence indicates the installer is qualified for the work in hand and the qualificationsare up-to-date;which may be sent to his office or presented to the inspecting Building Control Officer onsite. Gas and oil boilers installed in existing dwellings should be condensing types, with aSEDBUK efficiency in band A or B. Thermostatic valves should be provided to any newradiator and hot water pipes should be lagged.Mechanical VentilationMechanical VentilationMechanical VentilationMechanical VentilationMinimum mechanical extract ventilation rates as follows:-Bathrooms without windows 15l/s and fan must be light switch connected andfitted with a 15 minute overrun.Electrical SafetyElectrical SafetyElectrical SafetyElectrical Safety1. All electrical work to meet the requirements of Part P(electrical Safety) will bedesigned, installed, inspected & tested in accordancewith BS7671, by a person competent to do so.2. The council to be notified prior to the covering up of any electrical cables or fittingsso that an inspection may be made while they arestill visible. The council must also be informed of, and given the opportunity to witnessthe BS 7671 inspection & testing of the fixed electrical work.Prior to completion the Council is to be provided with:3. An Electrical Installation Certificate (complete with a schedule of inspections & aschedule of test results as required by Part 7 of BS7671) signed by a competentqualified electrician.4. Sufficient information will be provided to the building owner, on completion, so thatpersons wishing to operate, maintain or alter the installation in the future can do soreasonably safely.Failure to comply with any of the above will result in a completion certificate beingwithheld and/or enforcement action requiring all the above to be implementedretrospectively. This will inevitably result in significatly increased costs to theapplicant/installer.Proposed ground floor construction to consist of:• 100mm RC35 concrete floor slab.• 110mm Rockfloor insulation to provide U. value of .22u/m2k.• 50mm sand blinding c/w 1200g dpm linked with dpc's above150mm hardcore compacted in 225mm layers. Section A - A

Scaled dimensions may be used for approximation.Ensure only figured dimensions are used forconstruction. All dimensions to be checked on site.